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GM高真空壓力隔膜閥概述
GM High Vacuum(Pressure)Diaphragm Valve
真空隔膜閥GM是三精閥門型設計開發(fā)供接通或切斷真空系統(tǒng)之用的真空閥門待牵。連接管焊接式真空隔膜閥更是溴化鋰制冷設備中的理想配件其屏。高真空隔膜閥的適用介質(zhì)為空氣及非腐蝕性氣體。連接法蘭標準按GB6070或GB4982規(guī)定缨该，也可為連接管焊接型式偎行。
GM vacuum diaphragm valve is a vacuum valve designed and developed by Yongjia Keben Vacuum Valve Factory for connecting or cutting off the vacuum system. The connecting tube soldering vacuum diaphragm valve is an ideal accessory for lithium bromide refrigeration equipment. The suitable medium for high vacuum diaphragm valves is air and non corrosive gases. Connection flange standard according to GB6070 or GB4982, also can be connection pipe welding type.
GM高真空壓力隔膜閥主要技術性能
Main Technical Performance
| 閥門漏率：Valve Leak Rate | ≤1.3×10-4Pa.L/S. |
| 適用溫度：Applicable Temperature | -25～+80℃(丁腈橡膠) -30～+150℃(氟橡膠) |
| 適用范圍：Applicability | |
| 連接型式 Loose Flange | 使用壓力范圍(Pa) |
| 活套法蘭(GB6070、JB919) | 0.6×106～1.3×10-4 |
| 焊接法蘭(GB6070摆采、JB919) | 1.6×106～1.3×10-4 |
| 快卸法蘭(GB4982) | 0.1×106～1.3×10-4 |
| 螺紋連接 Threaded Connection | 1.6×106～1.3×10-4 |
也可按用戶要求的連接標準加工
GM高真空壓力隔膜閥主要零件材料
Materials of Main Parts
閥體猬笑、閥板舀鼎、閥桿：不銹鋼
Body, disc and stem: stainless steel
隔膜：硅橡膠选从、氟橡膠
Diaphragm: silicon rubber, Viton
外形及連接尺寸(mm)
Overall and Connection Dimensions(mm)
活套法蘭連接(GB6070)(圖一)
| Model 型號 | DN | Do | D | n-φc | W | H/H1 | L |
| GM-10 | 10 | 40 | 55 | 4-φ6.6 | 65 | 89/99 | 75 |
| GM-16 | 16 | 45 | 60 | 4-φ6.6 | 80 | 89/99 | 108 |
| GM-20 | 20 | 50 | 65 | 4-φ6.6 | 80 | 91/102 | 118 |
| GM-25 | 25 | 55 | 70 | 4-φ6.6 | 80 | 110/123 | 120 |
| GM-32 | 32 | 70 | 90 | 4-φ9 | 80 | 129/138 | 146 |
| GM-40 | 40 | 80 | 100 | 4-φ9 | 120 | 139/159 | 150 |
| GM-50 | 50 | 90 | 110 | 4-φ9 | 120 | 159/186 | 180 |
快卸法蘭連接(GB4982)(圖二)
| Model 型號 | DN | D1 | D | W | H/H1 | L |
| GM-10 | 10 | 12.2 | 30 | 65 | 89/99 | 75 |
| GM-16 | 16 | 17.2 | 30 | 80 | 89/99 | 108 |
| GM-20 | 20 | 26.2 | 40 | 80 | 91/102 | 118 |
| GM-25 | 25 | 26.2 | 40 | 80 | 110/123 | 120 |
| GM-32 | 32 | 34.2 | 55 | 80 | 129/138 | 146 |
| GM-40 | 40 | 41.2 | 55 | 120 | 139/159 | 150 |
| GM-50 | 50 | 52.2 | 75 | 120 | 159/186 | 180 |
I型焊接管連接(圖三)
| Model 型號 | DN | D | W | H/H1 | L |
| GM-10 | 10 | 17 | 65 | 89/99 | 75 |
| GM-25 | 25 | 32 | 80 | 110/123 | 120 |
| GM-40 | 40 | 45 | 120 | 139/159 | 150 |
| GM-50 | 50 | 57 | 120 | 159/186 | 180 |
II型焊接管連接(圖四)
| Model 型號 | DN | D | W | H/H1 | L |
| GM-10 | 10 | 17 | 65 | 89/99 | 75 |
| GM-25 | 25 | 32 | 80 | 110/123 | 120 |
| GM-40 | 40 | 45 | 120 | 139/159 | 150 |
| GM-50 | 50 | 57 | 120 |
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